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fbarray: check for open failure

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Coverity issue: 272564
Fixes: c44d09811b40 ("eal: add shared indexed file-backed array")

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
This commit is contained in:
Anatoly Burakov 2018-04-17 16:44:06 +01:00 committed by Thomas Monjalon
parent 9d3ba1e0ad
commit 2bcbc4d12c
1 changed files with 5 additions and 0 deletions
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5
lib/librte_eal/common/eal_common_fbarray.c
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@ -594,6 +594,11 @@ rte_fbarray_destroy(struct rte_fbarray *arr)
eal_get_fbarray_path(path, sizeof(path), arr->name);
fd = open(path, O_RDONLY);
if (fd < 0) {
RTE_LOG(ERR, EAL, "Could not open fbarray file: %s\n",
strerror(errno));
return -1;
}
if (flock(fd, LOCK_EX | LOCK_NB)) {
RTE_LOG(DEBUG, EAL, "Cannot destroy fbarray - another process is using it\n");
rte_errno = EBUSY;